/* ClassroomScreen.com.au - Authority Site Styles */
/* Modern Educational Technology Resource */

:root {
    /* Color Palette */
    --primary: #2563eb;
    --primary-dark: #1d4ed8;
    --primary-light: #3b82f6;
    --secondary: #10b981;
    --secondary-dark: #059669;
    --accent: #f59e0b;
    --accent-dark: #d97706;
    --dark: #1f2937;
    --dark-secondary: #374151;
    --light: #f9fafb;
    --light-secondary: #f3f4f6;
    --gray: #6b7280;
    --gray-light: #9ca3af;
    --border: #e5e7eb;
    --white: #ffffff;

    /* Shadows */
    --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
    --shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -1px rgba(0, 0, 0, 0.06);
    --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1), 0 4px 6px -2px rgba(0, 0, 0, 0.05);
    --shadow-xl: 0 20px 25px -5px rgba(0, 0, 0, 0.1), 0 10px 10px -5px rgba(0, 0, 0, 0.04);

    /* Typography */
    --font-sans: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, sans-serif;
    --font-serif: 'Georgia', 'Times New Roman', serif;

    /* Spacing Scale */
    --space-xs: 0.25rem;
    --space-sm: 0.5rem;
    --space-md: 1rem;
    --space-lg: 1.5rem;
    --space-xl: 2rem;
    --space-2xl: 3rem;
    --space-3xl: 4rem;
    --space-4xl: 6rem;

    /* Container */
    --container-max: 1200px;
    --container-narrow: 800px;
    --container-article: 720px;
}

/* Reset & Base */
*, *::before, *::after {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
    font-size: 16px;
}

body {
    font-family: var(--font-sans);
    line-height: 1.7;
    color: var(--dark);
    background: var(--light);
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

img {
    max-width: 100%;
    height: auto;
    display: block;
}

a {
    color: var(--primary);
    text-decoration: none;
    transition: color 0.2s ease;
}

a:hover {
    color: var(--primary-dark);
}

/* Typography */
h1, h2, h3, h4, h5, h6 {
    font-weight: 700;
    line-height: 1.3;
    color: var(--dark);
    margin-bottom: var(--space-md);
}

h1 {
    font-size: clamp(2rem, 5vw, 3rem);
    letter-spacing: -0.02em;
}

h2 {
    font-size: clamp(1.5rem, 4vw, 2.25rem);
    letter-spacing: -0.01em;
}

h3 {
    font-size: clamp(1.25rem, 3vw, 1.5rem);
}

h4 {
    font-size: 1.125rem;
}

p {
    margin-bottom: var(--space-lg);
    color: var(--dark-secondary);
}

/* Container */
.container {
    max-width: var(--container-max);
    margin: 0 auto;
    padding: 0 var(--space-xl);
}

.container-narrow {
    max-width: var(--container-narrow);
    margin: 0 auto;
    padding: 0 var(--space-xl);
}

.container-article {
    max-width: var(--container-article);
    margin: 0 auto;
    padding: 0 var(--space-xl);
}

/* ==================== NAVIGATION ==================== */
.nav {
    background: var(--white);
    box-shadow: var(--shadow);
    position: sticky;
    top: 0;
    z-index: 1000;
}

.nav-container {
    max-width: var(--container-max);
    margin: 0 auto;
    padding: var(--space-md) var(--space-xl);
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.logo {
    font-size: 1.375rem;
    font-weight: 700;
    color: var(--primary);
    text-decoration: none;
    display: flex;
    align-items: center;
    gap: var(--space-sm);
}

.logo:hover {
    color: var(--primary-dark);
}

.nav-links {
    display: flex;
    gap: var(--space-2xl);
    list-style: none;
    align-items: center;
}

.nav-links a {
    color: var(--dark);
    font-weight: 500;
    font-size: 0.9375rem;
    padding: var(--space-sm) 0;
    position: relative;
    transition: color 0.2s;
}

.nav-links a:hover {
    color: var(--primary);
}

.nav-links a::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 0;
    height: 2px;
    background: var(--primary);
    transition: width 0.2s ease;
}

.nav-links a:hover::after {
    width: 100%;
}

.mobile-menu {
    display: none;
    background: none;
    border: none;
    font-size: 1.5rem;
    cursor: pointer;
    color: var(--dark);
    padding: var(--space-sm);
}

/* ==================== HERO SECTIONS ==================== */
.hero {
    background: linear-gradient(135deg, var(--primary) 0%, var(--primary-dark) 100%);
    color: var(--white);
    padding: var(--space-4xl) var(--space-xl);
    text-align: center;
}

.hero h1 {
    color: var(--white);
    max-width: 900px;
    margin: 0 auto var(--space-lg);
}

.hero p {
    font-size: 1.25rem;
    opacity: 0.95;
    max-width: 650px;
    margin: 0 auto var(--space-2xl);
    color: var(--white);
}

.hero-subtitle {
    font-size: 0.875rem;
    text-transform: uppercase;
    letter-spacing: 0.1em;
    opacity: 0.8;
    margin-bottom: var(--space-md);
}

.hero-cta {
    display: flex;
    gap: var(--space-md);
    justify-content: center;
    flex-wrap: wrap;
}

/* Page Hero (smaller) */
.page-hero {
    background: linear-gradient(135deg, var(--primary) 0%, var(--primary-dark) 100%);
    color: var(--white);
    padding: var(--space-3xl) var(--space-xl);
    text-align: center;
}

.page-hero h1 {
    color: var(--white);
    margin-bottom: var(--space-md);
}

.page-hero p {
    color: rgba(255, 255, 255, 0.9);
    max-width: 600px;
    margin: 0 auto;
    font-size: 1.125rem;
}

/* ==================== BUTTONS ==================== */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 0.875rem 2rem;
    border-radius: 0.5rem;
    font-weight: 600;
    font-size: 1rem;
    text-decoration: none;
    transition: all 0.2s ease;
    cursor: pointer;
    border: none;
    gap: var(--space-sm);
}

.btn-primary {
    background: var(--white);
    color: var(--primary);
}

.btn-primary:hover {
    background: var(--light);
    transform: translateY(-2px);
    color: var(--primary);
}

.btn-secondary {
    background: transparent;
    color: var(--white);
    border: 2px solid var(--white);
}

.btn-secondary:hover {
    background: rgba(255, 255, 255, 0.1);
    color: var(--white);
}

.btn-accent {
    background: var(--accent);
    color: var(--white);
}

.btn-accent:hover {
    background: var(--accent-dark);
    color: var(--white);
}

.btn-amazon {
    background: #ff9900;
    color: var(--white);
    padding: 0.625rem 1.25rem;
    border-radius: 0.375rem;
    font-weight: 600;
    font-size: 0.875rem;
}

.btn-amazon:hover {
    background: #e68a00;
    color: var(--white);
}

.btn-outline {
    background: transparent;
    color: var(--primary);
    border: 2px solid var(--primary);
}

.btn-outline:hover {
    background: var(--primary);
    color: var(--white);
}

/* ==================== SECTIONS ==================== */
.section {
    padding: var(--space-4xl) var(--space-xl);
}

.section-alt {
    background: var(--white);
}

.section-title {
    text-align: center;
    margin-bottom: var(--space-3xl);
}

.section-title h2 {
    margin-bottom: var(--space-md);
}

.section-title p {
    color: var(--gray);
    max-width: 600px;
    margin: 0 auto;
}

/* ==================== CARDS ==================== */
.card {
    background: var(--white);
    border-radius: 1rem;
    box-shadow: var(--shadow);
    overflow: hidden;
    transition: transform 0.2s ease, box-shadow 0.2s ease;
}

.card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-lg);
}

.card-content {
    padding: var(--space-xl);
}

/* ==================== BLOG GRID ==================== */
.blog-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(340px, 1fr));
    gap: var(--space-2xl);
}

.blog-card {
    background: var(--white);
    border-radius: 1rem;
    box-shadow: var(--shadow);
    overflow: hidden;
    transition: transform 0.2s ease, box-shadow 0.2s ease;
    display: flex;
    flex-direction: column;
}

.blog-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-lg);
}

.blog-card-image {
    height: 200px;
    background: linear-gradient(135deg, var(--primary-light) 0%, var(--primary) 100%);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 4rem;
}

.blog-card-content {
    padding: var(--space-xl);
    flex: 1;
    display: flex;
    flex-direction: column;
}

.blog-card-category {
    display: inline-block;
    font-size: 0.75rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    color: var(--primary);
    background: rgba(37, 99, 235, 0.1);
    padding: 0.25rem 0.75rem;
    border-radius: 1rem;
    margin-bottom: var(--space-md);
}

.blog-card h3 {
    font-size: 1.25rem;
    margin-bottom: var(--space-md);
    line-height: 1.4;
}

.blog-card h3 a {
    color: var(--dark);
}

.blog-card h3 a:hover {
    color: var(--primary);
}

.blog-card-excerpt {
    color: var(--gray);
    font-size: 0.9375rem;
    line-height: 1.6;
    margin-bottom: var(--space-lg);
    flex: 1;
}

.blog-card-meta {
    display: flex;
    align-items: center;
    gap: var(--space-md);
    font-size: 0.875rem;
    color: var(--gray-light);
    padding-top: var(--space-lg);
    border-top: 1px solid var(--border);
}

.blog-card-author {
    display: flex;
    align-items: center;
    gap: var(--space-sm);
}

.author-avatar {
    width: 32px;
    height: 32px;
    border-radius: 50%;
    background: var(--light-secondary);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 0.875rem;
}

/* ==================== ARTICLE STYLES ==================== */
.article-header {
    background: linear-gradient(135deg, var(--primary) 0%, var(--primary-dark) 100%);
    color: var(--white);
    padding: var(--space-3xl) var(--space-xl);
}

.article-header .container-article {
    text-align: center;
}

.article-category {
    display: inline-block;
    font-size: 0.75rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.1em;
    background: rgba(255, 255, 255, 0.2);
    padding: 0.375rem 1rem;
    border-radius: 2rem;
    margin-bottom: var(--space-lg);
}

.article-header h1 {
    color: var(--white);
    margin-bottom: var(--space-lg);
}

.article-meta {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: var(--space-lg);
    font-size: 0.9375rem;
    opacity: 0.9;
    flex-wrap: wrap;
}

.article-content {
    padding: var(--space-3xl) var(--space-xl);
    background: var(--white);
}

.article-content h2 {
    margin-top: var(--space-2xl);
    margin-bottom: var(--space-lg);
    padding-bottom: var(--space-sm);
    border-bottom: 2px solid var(--border);
}

.article-content h3 {
    margin-top: var(--space-xl);
    margin-bottom: var(--space-md);
}

.article-content p {
    margin-bottom: var(--space-lg);
    font-size: 1.0625rem;
    line-height: 1.8;
}

.article-content ul, .article-content ol {
    margin-bottom: var(--space-lg);
    padding-left: var(--space-xl);
}

.article-content li {
    margin-bottom: var(--space-sm);
    line-height: 1.7;
}

/* Info Boxes */
.info-box {
    padding: var(--space-xl);
    border-radius: 0.75rem;
    margin: var(--space-xl) 0;
}

.info-box-blue {
    background: linear-gradient(135deg, #eff6ff 0%, #dbeafe 100%);
    border-left: 4px solid var(--primary);
}

.info-box-green {
    background: linear-gradient(135deg, #ecfdf5 0%, #d1fae5 100%);
    border-left: 4px solid var(--secondary);
}

.info-box-amber {
    background: linear-gradient(135deg, #fffbeb 0%, #fef3c7 100%);
    border-left: 4px solid var(--accent);
}

.info-box-title {
    font-weight: 700;
    font-size: 1rem;
    margin-bottom: var(--space-sm);
    display: flex;
    align-items: center;
    gap: var(--space-sm);
}

.info-box p:last-child {
    margin-bottom: 0;
}

/* Key Takeaway Card */
.key-takeaway {
    background: var(--dark);
    color: var(--white);
    padding: var(--space-xl);
    border-radius: 0.75rem;
    margin: var(--space-2xl) 0;
}

.key-takeaway-title {
    font-size: 0.875rem;
    text-transform: uppercase;
    letter-spacing: 0.1em;
    color: var(--accent);
    margin-bottom: var(--space-md);
}

.key-takeaway p {
    color: rgba(255, 255, 255, 0.9);
    font-size: 1.125rem;
    line-height: 1.6;
    margin-bottom: 0;
}

/* Author Bio */
.author-bio {
    background: var(--light-secondary);
    padding: var(--space-xl);
    border-radius: 0.75rem;
    margin-top: var(--space-3xl);
    display: flex;
    gap: var(--space-xl);
    align-items: flex-start;
}

.author-bio-avatar {
    width: 80px;
    height: 80px;
    border-radius: 50%;
    background: var(--primary);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 2rem;
    color: var(--white);
    flex-shrink: 0;
}

.author-bio-content h4 {
    margin-bottom: var(--space-sm);
}

.author-bio-content p {
    color: var(--gray);
    font-size: 0.9375rem;
    margin-bottom: 0;
}

/* ==================== PRODUCTS ==================== */
.tabs {
    display: flex;
    justify-content: center;
    gap: var(--space-sm);
    margin-bottom: var(--space-2xl);
    flex-wrap: wrap;
}

.tab-btn {
    padding: 0.75rem 1.5rem;
    border: 2px solid var(--border);
    background: var(--white);
    border-radius: 2rem;
    cursor: pointer;
    font-weight: 500;
    font-size: 0.9375rem;
    transition: all 0.2s ease;
}

.tab-btn:hover {
    border-color: var(--primary);
    color: var(--primary);
}

.tab-btn.active {
    background: var(--primary);
    color: var(--white);
    border-color: var(--primary);
}

.products-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(320px, 1fr));
    gap: var(--space-2xl);
}

.product-card {
    background: var(--white);
    border-radius: 1rem;
    box-shadow: var(--shadow);
    overflow: hidden;
    transition: transform 0.2s ease, box-shadow 0.2s ease;
}

.product-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-lg);
}

.product-image {
    width: 100%;
    height: 180px;
    background: var(--light-secondary);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 4rem;
}

.product-content {
    padding: var(--space-xl);
}

.product-category {
    display: inline-block;
    padding: 0.25rem 0.75rem;
    background: rgba(37, 99, 235, 0.1);
    color: var(--primary);
    border-radius: 1rem;
    font-size: 0.75rem;
    font-weight: 600;
    margin-bottom: var(--space-sm);
}

.product-title {
    font-size: 1.0625rem;
    margin-bottom: var(--space-sm);
}

.product-features {
    color: var(--gray);
    font-size: 0.875rem;
    margin-bottom: var(--space-md);
}

.product-features ul {
    list-style: none;
}

.product-features li {
    padding: 0.25rem 0;
    padding-left: 1.25rem;
    position: relative;
}

.product-features li::before {
    content: "\2713";
    position: absolute;
    left: 0;
    color: var(--secondary);
    font-weight: bold;
}

.product-footer {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding-top: var(--space-md);
    border-top: 1px solid var(--border);
}

.product-rating {
    display: flex;
    align-items: center;
    gap: 0.25rem;
    color: var(--accent);
    font-size: 0.9375rem;
}

/* ==================== COMPARE & TABLES ==================== */
.compare-section {
    background: var(--white);
    border-radius: 1rem;
    padding: var(--space-2xl);
    box-shadow: var(--shadow);
}

.compare-selector {
    display: flex;
    gap: var(--space-md);
    margin-bottom: var(--space-2xl);
    flex-wrap: wrap;
}

.compare-selector select {
    flex: 1;
    min-width: 200px;
    padding: 0.75rem;
    border: 2px solid var(--border);
    border-radius: 0.5rem;
    font-size: 1rem;
    background: var(--white);
}

.compare-table-container {
    overflow-x: auto;
}

.compare-table, .data-table {
    width: 100%;
    border-collapse: collapse;
}

.compare-table th,
.compare-table td,
.data-table th,
.data-table td {
    padding: var(--space-md);
    text-align: left;
    border-bottom: 1px solid var(--border);
}

.compare-table th,
.data-table th {
    background: var(--primary);
    color: var(--white);
    font-weight: 600;
}

.compare-table tbody tr:hover,
.data-table tbody tr:hover {
    background: var(--light);
}

/* ==================== QUIZ ==================== */
.quiz-section {
    background: linear-gradient(135deg, #f0f9ff 0%, #e0f2fe 100%);
    border-radius: 1rem;
    padding: var(--space-3xl);
    text-align: center;
}

.quiz-container {
    max-width: 600px;
    margin: 0 auto;
}

.quiz-progress {
    display: flex;
    justify-content: center;
    gap: var(--space-sm);
    margin-bottom: var(--space-2xl);
}

.progress-dot {
    width: 12px;
    height: 12px;
    border-radius: 50%;
    background: var(--border);
    transition: background 0.2s ease;
}

.progress-dot.active {
    background: var(--primary);
}

.progress-dot.completed {
    background: var(--secondary);
}

.quiz-question {
    font-size: 1.5rem;
    margin-bottom: var(--space-2xl);
}

.quiz-options {
    display: grid;
    gap: var(--space-md);
}

.quiz-option {
    padding: var(--space-md) var(--space-xl);
    background: var(--white);
    border: 2px solid var(--border);
    border-radius: 0.5rem;
    cursor: pointer;
    transition: all 0.2s ease;
    text-align: left;
    font-size: 1rem;
}

.quiz-option:hover {
    border-color: var(--primary);
    background: #f0f9ff;
}

.quiz-option.selected {
    border-color: var(--primary);
    background: var(--primary);
    color: var(--white);
}

/* ==================== CONTACT FORM ==================== */
.contact-form {
    background: var(--white);
    padding: var(--space-2xl);
    border-radius: 1rem;
    box-shadow: var(--shadow);
}

.form-group {
    margin-bottom: var(--space-xl);
}

.form-group label {
    display: block;
    font-weight: 600;
    margin-bottom: var(--space-sm);
    color: var(--dark);
}

.form-group input,
.form-group textarea,
.form-group select {
    width: 100%;
    padding: 0.875rem var(--space-md);
    border: 2px solid var(--border);
    border-radius: 0.5rem;
    font-size: 1rem;
    font-family: inherit;
    transition: border-color 0.2s ease, box-shadow 0.2s ease;
}

.form-group input:focus,
.form-group textarea:focus,
.form-group select:focus {
    outline: none;
    border-color: var(--primary);
    box-shadow: 0 0 0 3px rgba(37, 99, 235, 0.1);
}

.form-group textarea {
    min-height: 150px;
    resize: vertical;
}

/* ==================== FOOTER ==================== */
.footer {
    background: #111827;
    color: var(--white);
    padding: var(--space-3xl) var(--space-xl) var(--space-xl);
}

.footer-content {
    max-width: var(--container-max);
    margin: 0 auto;
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: var(--space-2xl);
}

.footer-section h4 {
    margin-bottom: var(--space-lg);
    font-size: 1rem;
    color: var(--white);
}

.footer-section p {
    color: #9ca3af;
    font-size: 0.875rem;
    margin-bottom: 0;
}

.footer-section ul {
    list-style: none;
}

.footer-section a {
    color: #9ca3af;
    display: block;
    padding: 0.375rem 0;
    font-size: 0.9375rem;
}

.footer-section a:hover {
    color: var(--white);
}

.footer-bottom {
    max-width: var(--container-max);
    margin: var(--space-2xl) auto 0;
    padding-top: var(--space-xl);
    border-top: 1px solid #374151;
    text-align: center;
}

.affiliate-notice {
    background: rgba(255, 255, 255, 0.05);
    padding: var(--space-md);
    border-radius: 0.5rem;
    margin-bottom: var(--space-md);
    font-size: 0.875rem;
    color: #d1d5db;
}

.affiliate-notice strong {
    color: var(--white);
}

.footer-bottom p {
    color: #6b7280;
    font-size: 0.875rem;
    margin-bottom: 0;
}

/* ==================== LATEST GUIDES GRID ==================== */
.guides-section {
    background: var(--light-secondary);
    padding: var(--space-4xl) var(--space-xl);
}

.guides-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
    gap: var(--space-xl);
    margin-top: var(--space-2xl);
}

.guide-card {
    background: var(--white);
    border-radius: 0.75rem;
    padding: var(--space-xl);
    box-shadow: var(--shadow-sm);
    transition: transform 0.2s ease, box-shadow 0.2s ease;
}

.guide-card:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow);
}

.guide-card-icon {
    font-size: 2.5rem;
    margin-bottom: var(--space-md);
}

.guide-card h3 {
    font-size: 1.0625rem;
    margin-bottom: var(--space-sm);
}

.guide-card h3 a {
    color: var(--dark);
}

.guide-card h3 a:hover {
    color: var(--primary);
}

.guide-card p {
    color: var(--gray);
    font-size: 0.9375rem;
    margin-bottom: 0;
}

/* ==================== ABOUT PAGE ==================== */
.about-section {
    padding: var(--space-4xl) var(--space-xl);
}

.about-content {
    max-width: var(--container-narrow);
    margin: 0 auto;
}

.about-content h2 {
    margin-top: var(--space-2xl);
}

.about-content p {
    font-size: 1.0625rem;
    line-height: 1.8;
}

.team-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(250px, 1fr));
    gap: var(--space-xl);
    margin-top: var(--space-2xl);
}

.team-card {
    background: var(--white);
    padding: var(--space-xl);
    border-radius: 0.75rem;
    text-align: center;
    box-shadow: var(--shadow-sm);
}

.team-avatar {
    width: 100px;
    height: 100px;
    border-radius: 50%;
    background: linear-gradient(135deg, var(--primary) 0%, var(--primary-dark) 100%);
    margin: 0 auto var(--space-lg);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 2.5rem;
    color: var(--white);
}

.team-card h3 {
    margin-bottom: var(--space-xs);
    font-size: 1.125rem;
}

.team-card .role {
    color: var(--primary);
    font-size: 0.875rem;
    font-weight: 500;
    margin-bottom: var(--space-md);
}

.team-card p {
    color: var(--gray);
    font-size: 0.9375rem;
    margin-bottom: 0;
}

/* ==================== INTERNAL LINKS ==================== */
.internal-link {
    color: var(--primary);
    font-weight: 500;
    text-decoration: underline;
    text-underline-offset: 2px;
}

.internal-link:hover {
    color: var(--primary-dark);
}

/* ==================== BREADCRUMB ==================== */
.breadcrumb {
    padding: var(--space-md) var(--space-xl);
    background: var(--light-secondary);
    font-size: 0.875rem;
}

.breadcrumb-container {
    max-width: var(--container-max);
    margin: 0 auto;
}

.breadcrumb a {
    color: var(--gray);
}

.breadcrumb a:hover {
    color: var(--primary);
}

.breadcrumb span {
    color: var(--gray-light);
    margin: 0 var(--space-sm);
}

/* ==================== RESPONSIVE ==================== */
@media (max-width: 768px) {
    .nav-links {
        display: none;
        position: absolute;
        top: 100%;
        left: 0;
        right: 0;
        background: var(--white);
        flex-direction: column;
        padding: var(--space-md) var(--space-xl) var(--space-xl);
        box-shadow: var(--shadow);
        gap: var(--space-md);
    }

    .nav-links.show {
        display: flex;
    }

    .mobile-menu {
        display: block;
    }

    .hero {
        padding: var(--space-3xl) var(--space-md);
    }

    .hero p {
        font-size: 1.0625rem;
    }

    .section {
        padding: var(--space-2xl) var(--space-md);
    }

    .blog-grid {
        grid-template-columns: 1fr;
    }

    .products-grid {
        grid-template-columns: 1fr;
    }

    .guides-grid {
        grid-template-columns: 1fr;
    }

    .author-bio {
        flex-direction: column;
        text-align: center;
    }

    .author-bio-avatar {
        margin: 0 auto;
    }

    .team-grid {
        grid-template-columns: 1fr;
    }

    .footer-content {
        grid-template-columns: 1fr;
        text-align: center;
    }
}

/* ==================== UTILITIES ==================== */
.text-center {
    text-align: center;
}

.mb-0 {
    margin-bottom: 0;
}

.mt-2xl {
    margin-top: var(--space-2xl);
}

.visually-hidden {
    position: absolute;
    width: 1px;
    height: 1px;
    padding: 0;
    margin: -1px;
    overflow: hidden;
    clip: rect(0, 0, 0, 0);
    white-space: nowrap;
    border: 0;
}

:focus {
    outline: 2px solid var(--primary);
    outline-offset: 2px;
}

/* Print Styles */
@media print {
    .nav, .footer, .hero-cta, .btn {
        display: none;
    }

    body {
        font-size: 12pt;
        line-height: 1.5;
    }
}